Symbol Meanings

ground: This symbol identifies a Protective Earth (PE) terminal, which is provided for connection of the supply system's protective earth (green or green/yellow) conductor.
Important: This symbol on the equipment refers you to important operating and maintenance (servicing) instructions within the Product Manual Documentation. Failure to heed this information may present a major risk of damage or injury to persons or equipment.
Warning: The symbol with the word Warning within the equipment manual indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION: The symbol with the word Caution within the equipment manual indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.
voltage: This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons.
esd: This symbol is used to alert the user that an electrical or electronic device or assembly is susceptible to damage from an ESD event.
Protective Earth: This symbol identifies a Protective Earth (PE) terminal, which is provided for connection of the supply system's protective earth (green or green/yellow) conductor.
Important: This symbol on the equipment refers you to important operating and maintenance (servicing) instructions within the Product Manual Documentation. Failure to heed this information may present a major risk of damage or injury to persons or equipment.
Warning: The symbol with the word Warning within the equipment manual indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Caution: The symbol with the word Caution within the equipment manual indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.
Warning Hazardous Voltages: This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons.
ESD Susceptibility: This symbol is used to alert the user that an electrical or electronic device or assembly is susceptible to damage from an ESD event.